Home / 3,523.61-5,278.88-1,766.56

Finding the Fourth Proportional to 3,523.61, 5,278.88 and 1,766.56

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Solution

The fourth proportional to 3,523.61, 5,278.88 and 1,766.56 is: 2,646.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.61 : 5,278.88 = 1,766.56 : x
  2. Step 2: Convert to fraction form
    3,523.61/5,278.88 = 1,766.56/x
  3. Step 3: Cross multiply
    3,523.61x = 5,278.88 × 1,766.56
  4. Step 4: Simplify right side
    3,523.61x = 9,325,449.47
  5. Step 5: Solve for x
    x = 9,325,449.47/3,523.61
  6. Step 6: Final answer
    x = 2,646.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.